2 * $Id: Message.java,v 1.1 2004/11/06 16:20:48 idfx Exp $
4 * Copyright (C) 2001, 2002, 2003, 2004 The Mir-coders group
6 * This file is part of Mir.
8 * Mir is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * Mir is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with Mir; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * In addition, as a special exception, The Mir-coders gives permission to link
23 * the code of this program with any library licensed under the Apache Software License,
24 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
25 * (or with modified versions of the above that use the same license as the above),
26 * and distribute linked combinations including the two. You must obey the
27 * GNU General Public License in all respects for all of the code used other than
28 * the above mentioned libraries. If you modify this file, you may extend this
29 * exception to your version of the file, but you are not obligated to do so.
30 * If you do not wish to do so, delete this exception statement from your version.
32 package org.codecoop.mir.core.model;
34 import java.io.Serializable;
35 import java.util.Date;
37 import org.apache.commons.lang.builder.ToStringBuilder;
44 public class Message implements Serializable {
46 /** identifier field */
49 /** nullable persistent field */
52 /** persistent field */
53 private String description;
55 /** persistent field */
56 private String creator;
58 /** persistent field */
59 private Date creationDate;
63 /** default constructor */
67 public Integer getId() {
71 public void setId(Integer id) {
75 public String getTitle() {
79 public void setTitle(String title) {
83 public String getDescription() {
84 return this.description;
87 public void setDescription(String description) {
88 this.description = description;
91 public String getCreator() {
95 public void setCreator(String creator) {
96 this.creator = creator;
99 public Date getCreationDate() {
100 return this.creationDate;
103 public void setCreationDate(Date creationDate) {
104 this.creationDate = creationDate;
107 public boolean equals(Object obj) {
111 if (!(obj instanceof Message)) {
114 Message mObj = (Message) obj;
115 if (null == this.getId() || null == mObj.getId()) {
118 return (this.getId().equals(mObj.getId()));
123 public int hashCode() {
124 if (Integer.MIN_VALUE == this.hashCode) {
125 if (null == this.getId()){
126 return super.hashCode();
128 String hashStr = this.getClass().getName() + ":"
129 + this.getId().hashCode();
130 this.hashCode = hashStr.hashCode();
133 return this.hashCode;
136 public String toString() {
137 return new ToStringBuilder(this).append("id", getId()).toString();